1/2 lb. marshmallows
1/2 c. milk
2 tbsp. cocoa
3/4 c. crushed Heath bars, chilled
3/4 lg. container Cool Whip
1 graham cracker pie crust

Melt first 3 ingredients in saucepan over low heat, mixing well. Cool completely. Fold in crushed Heath bars and Cool Whip. Spoon into pie crust. Chill in refrigerator.